Question

solve the problems pls ​

Answer 1

Answer:

pic is not clearer......ok

Answer 2

Step-by-step explanation:

a sqr + b sqr = 23 ab

or, (a + b) sqr - 2 ab = 23 ab

or, (a + b) sqr = 25 ab

or, (( a + b)/5) sqr = ab

taking log on both sides,

log ((a+b)/5) sqr = log ( ab)

or, 2 log ( (a+b)/5 ) = log a + log b

or, log ( (a+b)/5) = 1/2 ( log a + log b) ( proved)